hub
Pronunciation:
/hʌb/noun
Definitions
The central part, usually cylindrical, of a wheel; the nave.
A point where many routes meet and traffic is distributed, dispensed or diverted.
Example: Hong Kong International Airport is one of the most important air traffic hubs in Asia.
A central facility providing a range of related services, such as a medical hub or an educational hub
A computer networking device connecting several Ethernet ports. See switch.